{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Subject.Age", "Treatment.Duration", "Treatment.Freq", "Subject", "Effect", "Treatment.Route", "Treatment.Dosage", "Subject.Population", "Subject.Gender", "Treatment.Drug", "Treatment.Time_elapsed", "Subject.Disorder", "Treatment", "Treatment.Disorder", "Subject.Race"]}], "input": "Combination antimicrobial regimens (e.g., linezolid with rifampin) aimed at improving bacterial eradication and preventing resistance are often used; however, most data supporting this treatment strategy are not from randomized controlled trials."}
{"adverse event": []}